Two girls play refresh themselves while residents gather water from a fire hydrant at a neighborhood in Santiago, Chile, Monday, February 27, 2017. Millions are without potable water in Santiago's metropolitan area after floods and mudslides cut supplies. (Photo by Esteban Felix/AP Photo)

A member of the Paraiso de Tuiuti samba school reacts after a float crash during Carnival celebrations at the Sambadrome in Rio de Janeiro, Brazil, Sunday, February 26, 2017. A float in Rio de Janeiro's world famous Carnival parade crashed Sunday evening, and police said several people were injured. (Photo by Carlos Junior/AP Photo)

A couple who claimed to be from Turkey struggles to get their baby and baby carriage across the US/Canada border February 27, 2017, in Champlain, New York. There continues to be an increasing number of people crossing the US border into Canada illegally. (Photo by Don Emmert/AFP Photo)

A Somali soldier stands guard as he secures the scene of a car bomb explosion in Warshadaha streets in Somalia's capital Mogadishu, February 27, 2017. (Photo by Feisal Omar/Reuters)

Ultra- Orthodox Jewish men shout slogans during a demonstrationg against the liberal Jewish religious group Women of the Wall, on February 27, 2018, during a prayer service at the Western Wall plaza, in the Old city of Jerusalem. (Photo by Menahem Kahana/AFP Photo)

Brie Larson, back, embraces Emma Stone, winner of the award for best actress in a leading role for “La La Land”, backstage at the Oscars on Sunday, February 26, 2017, at the Dolby Theatre in Los Angeles. (Photo by Matt Sayles/Invision/AP Photo)

Best Supporting Actor Mahershala Ali, Best Actress Emma Stone, Best Supporting Actress Viola Dvis and Best Actor Casey Affleck pose in the press room during the 89th Annual Academy Awards on February 26, 2017, in Hollywood, California. (Photo by Frederic J. Brown/AFP Photo)

A woman takes part in a march to mark the 29th month anniversary of the disappearance of the 43 students of Ayotzinapa College Raul Isidro Burgos a in the state of Guerrero in Mexico City, Mexico February 26, 2017. (Photo by Carlos Jasso/Reuters)

Danila Shmelev, an artist from Moscow, Russia, works on a 3-D picture in Dubai, United Arab Emirates, Monday, February 27, 2017. Artists who focus on 3-D pictures have gathered in Dubai for the Dubai Canvas 3-D Art Festival, which runs from March 1 through March 7. (Photo by Jon Gambrell/AP Photo)

A police officer points his weapon near a local government office following an explosion in Bandung, West Java, Indonesia February 27, 2017 in this photo taken by Antara Foto. (Photo by Novrian Arbi/Reuters/Antara Foto)

Somali traders attempt to salvage some of their wares from the burning stalls at the main Bakara market in Somalia's capital Mogadishu, February 27, 2017. (Photo by Ismail Taxta/Reuters)

A Somali policeman controls residents gathered near the burning stalls at the main Bakara market in Somalia's capital Mogadishu, February 27, 2017. (Photo by Ismail Taxta/Reuters)

A general view shows burning stalls at the main Bakara market in Somalia's capital Mogadishu, February 27, 2017. (Photo by Ismail Taxta/Reuters)

Somali traders salvage some of their wares from the burning stalls at the main Bakara market in Somalia's capital Mogadishu, February 27, 2017. (Photo by Ismail Taxta/Reuters)

A Somali soldier walks through the wreckage after a fire engulfed the Somali capital's main market in Mogadishu, Monday, February 27, 2017. A police officer said the overnight inferno was moved by winds which started at the gold bazaar and rapidly spread into different areas of the market, razing large buildings, shops and food stores. (Photo by Farah Abdi Warsameh/AP Photo)

Israeli medics tend to a wounded Palestinian woman, who according to Israeli police was shot after she was suspected by security guards and ignored calls to stop, at Qalandiya checkpoint near the West Bank city of Ramallah February 27, 2017. (Photo by Ammar Awad/Reuters)

Police walks with a body cam at the “Rosenmontag”, Rose Monday parade in Fulda, Germany, February 27, 2017. (Photo by Ralph Orlowski/Reuters)

Government troops conduct checkpoint operations for the German kidnap victim who was believed to be executed by Islamist militant group Abu Sayyaf in Indanan town, Sulu province, Philippines February 27, 2017. (Photo by Nickee Butlangan/Reuters)

Paul Rossen of New York sells anti- Donald Trump buttons outside Trump Tower on Fifth Avenue in Manhattan, New York City, U.S., February 27, 2017. (Photo by Andrew Kelly/Reuters)

Buckingham Palace is lit with a projection of a colourful peacock at a reception this evening to mark the launch of the UK-India Year of Culture 2017 on February 27, 2017 in London, England. The reception will bring together the best of British and Indian culture and creativity, represented through a range of high profile guests with an interest in both countries. The attendees include guests from the fields of performing arts, fashion, food, literature and sport such as Kunal Nayyar, Neha Kapur, Ayesha Dharker, Kapil Dev, Rio Ferdinand, Anoushka Shankar and Joe Wright. (Photo by Adam Gerrard - WPA Pool/Getty Images)

Firefighters carry an injured person on a stretcher to an ambulance during the performing of the Unidos da Tijuca samba school for the Carnival celebrations at the Sambadrome in Rio de Janeiro, Brazil, Tuesday, February 28, 2017. Part of a float has collapsed during Rio de Janeiro's world famous Carnival parade, injuring several people, according to doctors at the scene. (Photo by Leo Correa/AP Photo)

An injured person lies on a stretcher on the top of a float as she is being rescued during the performing of the Unidos da Tijuca samba school for the Carnival celebrations at the Sambadrome in Rio de Janeiro, Brazil, Tuesday, February 28, 2017. (Photo by Leo Correa/AP Photo)

Firefighters carry an injured person on a stretcher to an ambulance during the performing of the Unidos da Tijuca samba school for the Carnival celebrations at the Sambadrome in Rio de Janeiro, Brazil, Tuesday, February 28, 2017. (Photo by Leo Correa/AP Photo)

A performer from the Unidos da Tijuca samba school is carried into an ambulance after a float collapsed during Carnival celebrations at the Sambadrome in Rio de Janeiro, Brazil, Tuesday, February 28, 2017. (Photo by Silvia Izquierdo/AP Photo)

In this photo taken Saturday, February 25, 2017, malnourished baby Ali Hassan, 9-months-old, is held by his mother Fadumo Abdi Ibrahim, who fled the drought in southern Somalia, at a feeding center in a camp in Mogadishu, Somalia. Thousands of desperate people are streaming into Somalia's capital seeking food as a result a prolonged drought, overwhelming local and international aid agencies, while the Somali government warns of a looming famine, compounded by the country's ongoing conflict against Islamic extremists. (Photo by Farah Abdi Warsameh/AP Photo)

In this Monday, May 17, 2010 file photo, Dr. Mansour Samadpour points out a growth of of salmonella in a petri dish at IEH Laboratories in Lake Forest Park, Wash. The World Health Organization has issued a list of the top dozen bacteria most dangerous to humans, warning that doctors are fast running out of treatment options. In a press briefing on Monday, February 27, 2017 the U.N. health agency said its list is meant to promote the development of medicines for the most worrying drug-resistant bacteria, including Salmonellae and Staphylococus aureus. (Photo by Elaine Thompson/AP Photo)

Men fly their kites during celebrations of the Orthodox Clean Monday in Ayia Napa, Cyprus, Monday, February 27, 2017. Cypriots traditionally celebrate Clean Monday, the beginning of Lent in the Eastern Orthodox Church calendar, by eating seafood to signify a break with meat-eating and the start of a 40-day fast until Easter. (Photo by Petros Karadjias/AP Photo)